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Finding the Third Proportional to 66,151.69 and 143,850.94

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Solution

The third proportional to 66,151.69 and 143,850.94 is: 312,812.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,151.69 : 143,850.94 = 143,850.94 : x
  2. Step 2: Convert to fraction form
    66,151.69/143,850.94 = 143,850.94/x
  3. Step 3: Cross multiply
    66,151.69x = 143,850.94 × 143,850.94
  4. Step 4: Simplify right side
    66,151.69x = 20,693,092,219.63
  5. Step 5: Solve for x
    x = 20,693,092,219.63/66,151.69
  6. Step 6: Final answer
    x = 312,812.76

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.